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Slav-nsk [51]
3 years ago
13

On Friday 237 people attended film festival.there r more 446 people who attended on Saturday than Friday .liza says that a total

of about 700 people attended on both days.is she right or wrong ?
Mathematics
1 answer:
pentagon [3]3 years ago
4 0
Liza is wrong because...

Friday = 237
Saturday = 237 + 446
Both days = 920

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Phil baked two kinds of pies. Each pie pan was the same size. He served 1/2 of the blueberry pie. He served 1/4 of the apple pie
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Phil served 2/8 of an apple pie because in order to have a common denominator, you need to multiply 1/4 by 2/2. 
Phil served 2 more pieces of blueberry than apple pie because 1/2(4/4) = 4/8, and 4/8 - 2/8 = 2/8.
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3 years ago
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It would be A. 7(30) - 7(7)


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Use a table of values to estimate the value of the limit. Confirm your result graphically by graphing the function with a graphi
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Hello,

\lim_{x \to 0}\dfrac{ \sqrt{x+25}-5}{x}\\\\

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4 0
3 years ago
Determine the astm grain size number if 33 grains per square inch are measured at a magnification of 270×
strojnjashka [21]
8.9

The equation for the grain size is expressed as the equality:
Nm(M/100)^2 = 2^(n-1)
where
Nm = number of grains per square inch at magnification M.
M = Magnification
n = ASTM grain size number

Let's solve for n, then substitute the known values and calculate.
Nm(M/100)^2 = 2^(n-1)

log(Nm(M/100)^2) = log(2^(n-1))
log(Nm) + 2*log(M/100) = (n-1) * log(2)
(log(Nm) + 2*log(M/100))/log(2) = n-1
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(log(33) + 2*log(270/100))/log(2) + 1 = n
(1.51851394 + 2*0.431363764)/0.301029996 + 1 = n
(1.51851394 + 0.862727528)/0.301029996 + 1 = n
2.381241468/0.301029996 + 1 = n
7.910312934 + 1 = n
8.910312934 = n

So the ASTM grain size number is 8.9

If you want to calculate the number of grains per square inch, you'd use the
same formula with M equal to 1. So:
Nm(M/100)^2 = 2^(n-1)
Nm(1/100)^2 = 2^(8.9-1)
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Nm(1/10000) = 238.8564458
Nm = 2388564.458

Or about 2,400,000 grains per square inch.
7 0
3 years ago
If the supplement angle is 12 degrees less tan twice the measure of the angle,what is the measure of the angle
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x = 2(180 - x) - 12  

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3 years ago
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